/*版心*/
.w {
    width: 1128px;
    margin: 0 auto;
}
.head-back {
    width: 100%;
    height: 48px;
    line-height: 48px;
    background-color: #fff;
}
.el-icon-back {
    padding: 10px 0;
    font-size: 16px;
    color: #2f495b;
    cursor: pointer;
}
.course-content {
    margin-top: 30px;
}
.course-info {
    width: 100%;
    height: 330px;
    border-radius: 15px;
    background-color: #fff;
    box-shadow: 0 0 20px rgb(32, 84, 141, .2);
}
.course-title {
    width: 100%;
    height: 130px;
    line-height: 130px;
    padding: 0 30px;
    border-top-left-radius: 15px;
    border-top-right-radius: 15px;
    background-color: #0f6bd3;
}
.course-title h1{
    font-size: 30px;
    color: #f7f7fb;
}
.course-state {
    width: 1000px;
    margin: 30px auto;
}
.course-state span {
    display: block;
    padding-bottom: 5px;
    font-size: 14px;
    color: #707a8a;
}
.recent-study-level {
    width: 1000px;
    margin: 0 auto;
}
.recent-study-level h2 {
    display: inline-block;
    margin-right: 20px;
    font-size: 20px;
    color: #b6cae7;
}
.recent-study-level-title {
    font-size: 18px;
    font-weight: 700;
    color: black;
}
.continue-btn {
    float: right;
    width: 200px;
    height: 48px;
    border-radius: 24px;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    background-color: #3a3ae8;
}
.continue-btn:hover {
    background-color: #4e4eee;
}
.course-level {
    width: 100%;
    margin-top: 40px;
    margin-bottom: 50px;
    border-radius: 15px;
    background-color: #f1f1f7;
}
.course-level ul {
    padding-top: 50px;
    padding-bottom: 70px;
}
.course-level ul li {
    height: 250px;
    /*background-color: pink;*/
}
.course-level ul li:nth-child(n+2) {
    margin-top: 70px;
}
.level-hd {
    height: 50px;
    line-height: 50px;
}
.level-hd h2 {
    display: inline-block;
    margin-left: 40px;
    font-weight: 400;
}
.level-hd button {
    margin-left: 790px;
}
.level-hd button::before {
    padding-right: 2px;
}
.level-content {
    width: 100%;
    height: 200px;
    /*background-color: purple;*/
}
.level-learn {
    float: left;
    height: 100%;
    width: 450px;
    margin-left: 60px;
    padding: 25px;
    border-radius: 10px;
    background-color: #fff;
    box-shadow: 0 0 20px rgb(32, 84, 141, .2);
    cursor: pointer;
}
.level-learn:hover {
    box-shadow: 0 0 20px rgb(32, 84, 141, .4);
}
.level-cover,
.level-state {
    float: left;
    width: 150px;
    height: 150px;
    /*background-color: pink;*/
}
.level-cover img {
    width: 100%;
    height: 100%;
    border-radius: 10px;
}
.level-state {
    position: relative;
    width: 250px;
    padding: 10px;
}
.level-state h2 {
    margin-bottom: 100px;
}
.level-test {
    float: right;
    height: 100px;
    width: 400px;
    margin-top: 20px;
    margin-right: 60px;
    padding: 20px;
    border-radius: 10px;
    background-color: #fff;
    box-shadow: 0 0 20px rgb(32, 84, 141, .2);
    cursor: pointer;
}
.level-test:hover {
    box-shadow: 0 0 20px rgb(32, 84, 141, .4);
}
.level-test span:first-child {
    float: left;
    width: 60px;
    height: 60px;
    padding: 5px;
    background-color: #3a94f6;
    border-radius: 5px;
}
.level-test span:first-child::before {
    display: inline-block;
    font-size: 50px;
    color: #ececec;
}
.test-title {
    float: left;
    height: 60px;
    width: 250px;
    padding-left: 10px;
    line-height: 60px;
    background-color: #fff;
    font-size: 18px;
    font-weight: 700;
}